/*
 * (C) Copyright 2006-2010 Nuxeo SAS (http://nuxeo.com/) and contributors.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License
 * (LGPL) version 2.1 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * Contributors:
 *     bstefanescu
 */
package org.nuxeo.gwt.habyt.demo.client.widgets;

import org.nuxeo.gwt.habyt.invocation.client.ObjectRef;
import org.nuxeo.gwt.habyt.templates.client.WidgetFactory;
import org.nuxeo.gwt.habyt.templates.client.bindings.Helper;

import com.google.gwt.dom.client.Element;
import com.google.gwt.user.client.ui.Widget;

/**
 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
 * 
 */
public class DocumentTreeFactory extends WidgetFactory {

    public DocumentTreeFactory() {
        super("doctree");
    }

    @Override
    protected Widget createWidget(Element element) {
        String v = Helper.getAttribute(element, "root");
        if (v == null) {
            throw new IllegalArgumentException(
                    "doctree must have a root attribute");
        }
        ObjectRef root = new ObjectRef(v);
        return new DocumentTree(root);
    }

}
